package MainTest;

import java.io.*;

/**
 * Created by xuyi on 2016/10/6.
 */
public class IO {

    public static void main(String[] args) {

        try {
            FileInputStream fileinputStream = new FileInputStream("");

            PushbackInputStream pushbackInputStream = new PushbackInputStream(fileinputStream);

            pushbackInputStream.read();



        } catch (Exception ex) {

        }

    }

}
